Part 2

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short in CAN Bus Lines
- Short in CAN Bus Lines

35. CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

(a) Disconnect the power steering ECU sub bus line connector (K80) from the P-CAN J/C B side (w/o earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

36. CONNECT CONNECTOR

(a) Reconnect the power steering ECU sub bus line connector (K80) to the P-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

37. CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU SUB BUS LINE)

NOTICE:
Only for vehicles with the 2GR-FSE. For other vehicles, go to the next step.

(a) Disconnect the skid control ECU sub bus line connector (K75) from the D-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

38. CONNECT CONNECTOR

(a) Reconnect the skid control ECU sub bus line connector (K75) to the D-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

39. CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

NOTICE:
Only for vehicles with the 1UR-FSE. For other vehicles, go to the next step.

(a) Disconnect the steering control ECU sub bus line connector (K75) from the P-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

40. CONNECT CONNECTOR

(a) Reconnect the steering control ECU sub bus line connector (K75) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

41. CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WARNING CONTROL ECU SUB BUS LINE)

NOTICE:
Only for vehicles with the 2GR-FSE and intuitive parking assist system. For other vehicles, go to the next step.

(a) Disconnect the clearance warning ECU sub bus line connector (K94) from the P-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

42. CONNECT CONNECTOR

(a) Reconnect the steering control ECU sub bus line connector (K94) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

43. CHECK CAN BUS LINES FOR SHORT CIRCUIT (4WD ECU SUB BUS LINE)

NOTICE:
Only for vehicles with the 4WD. For other vehicles, go to the next step.

(a) Disconnect the 4WD ECU sub bus line connector (K76) from the P-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

44. CONNECT CONNECTOR

(a) Reconnect the 4WD ECU sub bus line connector (K76) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

45. CHECK CAN BUS LINES FOR SHORT CIRCUIT (NAVIGATION ECU SUB BUS LINE)

NOTICE:
* Only for vehicles with the 1UR-FSE and navigation system. For other vehicles, go to the next step.
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(a) Disconnect the navigation ECU sub bus line connector (K102) from the P-CAN J/C A side (w/ earth terminal).

(b) Measure the resistance of the DLC3.





Standard resistance:





OK -- CONNECT CONNECTOR
NG -- Continue to next step.

46. CONNECT CONNECTOR

(a) Reconnect the navigation ECU sub bus line connector (K102) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

47. CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

(a) Disconnect the network gateway ECU sub bus line connector (K79) from the P-CAN J/C B side (w/o earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

48. CONNECT CONNECTOR

(a) Reconnect the network gateway ECU sub bus line connector (K79) to the P-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

49. CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

(a) Disconnect the network gateway ECU connector (K66).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE NETWORK GATEWAY ECU

NG -- REPAIR OR REPLACE NETWORK GATEWAY ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

50. CONNECT CONNECTOR

(a) Reconnect the absorber control ECU sub bus line connector (K78) to the P-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

51. CHECK CAN BUS LINES FOR SHORT CIRCUIT (ABSORBER CONTROL ECU SUB BUS LINE)

(a) Disconnect the absorber control ECU connector (K72).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE ABSORBER CONTROL ECU

NG -- REPAIR OR REPLACE ABSORBER CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

52. CONNECT CONNECTOR

(a) Reconnect the power steering ECU sub bus line connector (K80) to the P-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

53. CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

(a) Disconnect the power steering ECU connector (A23).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE POWER STEERING ECU

NG -- REPAIR OR REPLACE POWER STEERING ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

54. CONNECT CONNECTOR

(a) Reconnect the skid control ECU sub bus line connector (K75) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

55. CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU SUB BUS LINE)

(a) Disconnect the skid control ECU connector (K93).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE SKID CONTROL ECU

NG -- REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

56. CONNECT CONNECTOR

(a) Reconnect the steering control ECU sub bus line connector (K75) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

57. CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

(a) Disconnect the steering control ECU connector (K70).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE STEERING CONTROL ECU

NG -- REPAIR OR REPLACE STEERING CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

58. CONNECT CONNECTOR

(a) Reconnect the clearance warning ECU sub bus line connector (K94) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

59. CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WANING ECU SUB BUS LINE)

(a) Disconnect the clearance warning ECU connector (A38).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE CLEARANCE WARNING ECU

NG -- REPAIR OR REPLACE CLEARANCE WARNING ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

60. CONNECT CONNECTOR

(a) Reconnect the 4WD ECU sub bus line connector (K76) to the P-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

61. CHECK CAN BUS LINES FOR SHORT CIRCUIT (4WD ECU SUB BUS LINE)

(a) Disconnect the 4WD ECU connector (U52).

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- CHECK CAN BUS LINES FOR SHORT CIRCUIT (4WD ECU - RR3-CAN J/C)

OK -- REPLACE 4WD ECU

62. CONNECT CONNECTOR

(a) Reconnect the network gateway ECU sub bus line connector (K79) to the P-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

63. CHECK CAN BUS LINES FOR SHORT CIRCUIT

(a) Disconnect the CAN main bus connector (K81) from the P-CAN J/C B side (w/o earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE JUNCTION CONNECTOR (P-CAN J/C)

NG -- REPAIR OR REPLACE CAN MAIN BUS LINE (D-CAN J/C, P-CAN J/C)

64. CHECK CAN BUS LINES FOR SHORT CIRCUIT (CAN BUSES TO RR1-CAN J/C)

(a) Disconnect the CAN main bus line connector (K9) from the D-CAN J/C B side (w/o earth terminal).





NOTICE:
* Before disconnecting the connector, make a note where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- REPLACE JUNCTION CONNECTOR (D-CAN J/C)
OK -- Continue to next step.

65. CONNECT CONNECTOR

(a) Reconnect the CAN main bus line connector (K9) to the D-CAN J/C B side (w/o earth terminal).

NEXT -- Continue to next step.

66. CHECK CAN BUS LINES FOR SHORT CIRCUIT (GATEWAY CAN ECU SUB BUS LINE)

(a) Disconnect the gateway CAN ECU sub bus line connector (V41) from the RR1-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- CHECK CAN BUS LINES FOR SHORT CIRCUIT
OK -- Continue to next step.

67. CONNECT CONNECTOR

(a) Reconnect the gateway CAN ECU sub bus line connector (V41) to the RR1-CAN J/C A side (w/ earth terminal).

NEXT -- Continue to next step.

68. CHECK CAN BUS LINES FOR SHORT CIRCUIT (GATEWAY CAN ECU SUB BUS LINE)

(a) Disconnect the gateway CAN ECU connector (V39).





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





OK -- REPLACE GATEWAY CAN ECU

NG -- REPAIR OR REPLACE GATEWAY CAN ECU SUB BUS LINE OR CONNECTOR (CA1-H, CA1-L)

69. CHECK CAN BUS LINES FOR SHORT CIRCUIT

(a) Disconnect the CAN main bus line connector (V40) from the RR1-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





OK -- REPLACE JUNCTION CONNECTOR (RR1-CAN J/C)

NG -- REPAIR OR REPLACE CAN MAIN BUS LINE (D-CAN J/C - RR1-CAN J/C)

70. CHECK CAN BUS LINES FOR SHORT CIRCUIT (4WD ECU - RR3-CAN J/C)

(a) Disconnect the CAN sub bus line connector (U51) from the RR3-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- REPAIR OR REPLACE 4WD CONTROL ECU SUB BUS LINE OR CONNECTOR (4WD ECU - RR3-CAN J/C)
OK -- Continue to next step.

71. CHECK CAN BUS LINES FOR SHORT CIRCUIT (P-CAN J/C - RR3-CAN J/C)

(a) Disconnect the CAN sub bus line connector (U50) from the RR3-CAN J/C A side (w/ earth terminal).





NOTICE:
* Before disconnecting the connector, make a note of where it is connected.
* Reconnect the connector to its original position.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- REPAIR OR REPLACE 4WD CONTROL ECU SUB BUS LINE OR CONNECTOR (P-CAN J/C - RR3-CAN J/C)

OK -- REPLACE JUNCTION CONNECTOR (RR3-CAN J/C)

72. CONNECT CONNECTOR

(a) Reconnect the navigation ECU sub bus line connector (K102) to the P-CAN J/C A side (w/ Earth Terminal).

NEXT -- Continue to next step.

73. CHECK CAN BUS LINES FOR SHORT CIRCUIT (NAVIGATION ECU)

(a) Disconnect the navigation ECU connector (K46).

(b) Measure the resistance of the wire harness side connector.





Standard resistance:





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO NAVIGATION ECU

OK -- REPLACE NAVIGATION ECU